<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="www.baidu.com" method="post">
        <input type="hidden" name="uid" value="570272838"/>
        用户名:<input type="text" name="username"/>
        <br/>
        密码:<input type="password" name="pwd"/>
        <br/>
        性别:<input type="radio" name="sex" value="man" checked="checked"/>男
            <input type="radio" name="sex" value="woman"/>女
        <br/>
        爱好:<input type="checkbox" name="hobby" value="code" checked="checked"/>编码
            <input type="checkbox" name="hobby" value="run"/>跑步
            <input type="checkbox" name="hobby" value="swim"/>游泳
        <br/>
        幸运颜色:<input type="checkbox" name="luckColor" value="red"/>红
        <input type="checkbox" name="luckColor" value="blue"/>蓝
        <input type="checkbox" name="luckColor" value="yellow"/>黄
        <br/>
        <button type="submit">注册</button><button type="reset">重置</button>
    </form>
</body>
</html>